A135815 - OEIS

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A135815

Row sums of triangle A135814 (number of coincidence-free m-tuple lists of length n).

1, 1, 1, 2, 6, 43, 707, 26396, 2437224, 598846437, 419417521685, 904349062852310, 6075281872200844330, 140389254096848971143999, 10843844462460100434065782151, 3088707655477705662835120169107312

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,4

LINKS

Table of n, a(n) for n=0..15.

FORMULA

a(n) = Sum_{m=0..n} A135814(n,m), n>=0.

CROSSREFS

Cf. A135816 (alternating row sums of A135814).

Sequence in context: A183313 A066863 A296828 * A055564 A077259 A319112

Adjacent sequences: A135812 A135813 A135814 * A135816 A135817 A135818

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang, Jan 21 2008

STATUS

approved